set (HARDENING_FLAGS "-Wformat -Wformat-security -O2 -D_FORTIFY_SOURCE=2 -fstack-protector -Wl,-z,relro -Wl,-z,now")
set (CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${HARDENING_FLAGS} -Wall -Werror")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${HARDENING_FLAGS} -Wall")
add_subdirectory (src)